Bridge building hoisting support

The utility model relates to the technical field of hoisting supports, and provides a bridge building hoisting support which comprises a supporting plate, first supporting blocks are arranged at the bottom end of the supporting plate in equal order, universal wheels are movably connected to the bottom ends of the first supporting blocks, and a balancing weight is fixedly connected to one side of the top end of the supporting plate. A winch is arranged at the top end of the side, close to the balancing weight, of the supporting plate, a supporting frame is fixedly connected to the top end of the side, away from the balancing weight, of the supporting plate, a first fixing plate is fixedly connected to the top end of the supporting frame, and a second fixing plate is arranged on the side, away from the balancing weight, of the first fixing plate. According to the device, the second air cylinder and the push rod are arranged, when materials needing to be carried are far away from a set place, the second air cyli